What engine does the 2002 Honda CRF450R have?

It has a 449 cc liquid-cooled, four-stroke single-cylinder engine with SOHC valve gear, four valves, and a carburetor.

How much suspension travel does the 2002 Honda CRF450R have?

It has 12.0 in of front travel and 12.4 in of rear travel.

What size tires does the 2002 Honda CRF450R use?

80/100-21 front and 110/90-19 rear.

What chain and sprockets does the 2002 Honda CRF450R use?

A 520 chain on a 13-tooth front and 50-tooth rear sprocket.

Honda CRF450R 2002

Advanced · 9/10

Motocross / Racing

449cc

4-stroke

225lb

Dry weight

37.2in

Seat height

12in

Front travel

5spd

Gearbox

2002 Honda CRF450R overview

Where it ridesRace-ready

Street—
Trail—
Woods—
Rocks—
Desert—
TrackMotocross

The 2002 Honda CRF450R is a motocross race bike and the first CRF450R, introduced as a clean-sheet design. Its newly developed 449 cc liquid-cooled four-stroke single has four valves, SOHC valve gear, and a carburetor, and sits in an aluminum frame. A 5-speed transmission sends power through a 520 chain. Suspension is a 47 mm inverted Showa cartridge fork with 12.0 in of travel and a Pro-Link Showa rear shock with 12.4 in of travel. The bike has a 37.2 in seat height, 225 lb dry weight, and 2 gal fuel capacity. Its original US MSRP was $6,299.

Who it's for

This bike is for motocross racers and experienced riders who want a 449 cc four-stroke built for competition. Its 37.2 in seat height and 225 lb dry weight call for a rider comfortable handling a tall, substantial dirt bike, while the motocross setup suits track riding and racing rather than casual trail use. It is not a beginner-focused choice.

Quick facts

The 2002 Honda CRF450R has a 449cc carbureted 4-stroke engine and a 5-speed gearbox.
The 2002 CRF450R weighs 225 lb dry and has a 37.2 in seat height.
The 2002 CRF450R runs 80/100-21 front and 110/90-19 rear tires.
The 2002 CRF450R listed at $6,299 (US MSRP).

2002 Honda CRF450R photos

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2002 Honda CRF450R specifications

Engine

Displacement: 449cc
Stroke: 4-stroke
Fuel system: Carburetor
Bore × stroke: 96 × 62.1 mm
Compression: 11.5:1
Cooling: Liquid
Configuration: Single-cylinder
Valve train: SOHC
Valves: 4

Drivetrain

Transmission: 5-speed
Chain size: 520
Front sprocket: 13T
Rear sprocket: 50T

Dimensions

Dry weight: 225 lb
Seat height: 37.2″
Ground clearance: 13″
Wheelbase: 59.4″
Fuel capacity: 2 gal

Price & warranty

Colors: Red

Frame & steering

Rake: 28.6°
Trail: 4.68″

Suspension

Front: 47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability
Front travel: 12″
Rear: Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment separated into low-speed (13 positions) and high-speed (3.5 turns)
Rear travel: 12.4″

Wheels & tires

Front wheel: 21″
Rear wheel: 19″
Front tire: 80/100-21
Rear tire: 110/90-19

Brakes

Front disc: 240 mm
Rear disc: 240 mm

Parts that fit the 2002 Honda CRF450R

Exact parts for this bike. Tap one to see every store selling it, cheapest first.

Maintenance

Oil, filters, spark plug, battery, brakes and drive parts you replace as you ride.

Oil filterHiflofiltro HF116from $7.07 · 10 stores
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Part number HF116: any parts counter can look it up.
Fit from: Hiflofiltro's fitment list for this bike
Their listing: Honda CRF450 R-2, 2002
Air filterHiflofiltro HFF1016from $20.86 · 10 stores
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Part number HFF1016: any parts counter can look it up.
Fit from: Hiflofiltro's fitment list for this bike
Their listing: Honda CRF450 R-2, 2002
Front brake padsEBC FA185from $29.99 · 19 stores
Stores sell this pad in different compounds, labelled on each store where it says. Sintered lasts longest; for the same feel, buy the same kind front and rear.
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Front and rear, matched
Sintered both ends for $65.91: front at eBay, rear at eBay · ramholman7.
Part number FA185: any parts counter can look it up.
Fit from: EBC brake pad buyer's guide
Their listing: HONDA CRF 450 R, 2002–2015
Rear brake padsEBC FA346from $35.92 · 24 stores
Stores sell this pad in different compounds, labelled on each store where it says. Sintered lasts longest; for the same feel, buy the same kind front and rear.
Show 21 more storesShow fewer stores
Front and rear, matched
Sintered both ends for $65.91: front at eBay, rear at eBay · ramholman7.
Part number FA346: any parts counter can look it up.
Fit from: EBC brake pad buyer's guide
Their listing: HONDA CRF 450 R, 2002–2015
Front sprocketJT Sprockets 13-tooth steel sprocketfrom $18.75 · 7 stores
13 teeth, the same as the bike came with from the factory. Some stores sell JT's self-cleaning version (part number ending SC): it fits the same.
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Part number JTF284.13: any parts counter can look it up.
Fit from: JT Sprockets' fitment list for this bike
Their listing: Honda CRF450 R-2,R-3, 2002–2003
Rear sprocketJT Sprockets 50-tooth self-cleaning sprocketfrom $33.98 · 3 stores
50 teeth, the same as the bike came with from the factory. JT makes this size only in its self-cleaning version (mud-relief cuts): it fits the same.
Part number JTR210.50SC: any parts counter can look it up.
Fit from: JT Sprockets' fitment list for this bike
Their listing: Honda CRF450 R-2,R-3, 2002–2003
ChainD.I.D 520 VX3 sealed chain, 114 linksfrom $136.04 · 6 stores
JT lists 114 links for this bike: count the links on your chain to be sure, and pick that length at the store.
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Fit from: JT Sprockets' fitment list for this bike
Their listing: Honda CRF450 R-2,R-3, 2002–2003

Tires

Stock sizes, from the maker's manual.

Front tireDunlop Geomax MX34 80/100-21from $112.55 · 4 stores
Stock size for this bike
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- GritShift$156.99 ↗$144.99 + $12.00 ship
Fit from: Size from the maker's manual; tire model is our pick
Rear tireDunlop Geomax MX34 110/90-19from $135.99 · 7 stores
Stock size for this bike
Show 4 more storesShow fewer stores
Fit from: Size from the maker's manual; tire model is our pick

Controls

Grips, and the throttle part each bike needs to fit them.

GripsODI Rogue MX V2 lock-on gripsfrom $26.59 · 16 stores
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Fitting these grips
Everything you need is in the box, including the throttle cam this bike uses (cam B).
Fit from: ODI grip throttle guide
Their listing: HONDA CRF 450R/450X, 2002–2024

Not listed yet: Engine oil and spark plug. We only list a part once its maker names it for this bike, so we don't guess.

Prices include shipping where the store lists it and were checked Nov 1, 2026. A store that doesn't list its shipping is placed as if it charged what the other stores do. Prices change, so confirm at the store before you buy.

Honda CRF450R FAQ

What engine does the 2002 Honda CRF450R have?
It has a 449 cc liquid-cooled, four-stroke single-cylinder engine with SOHC valve gear, four valves, and a carburetor.
What is the seat height of the 2002 Honda CRF450R?
The seat height is 37.2 in.
How much does the 2002 Honda CRF450R weigh?
Its dry weight is 225 lb.
How much suspension travel does the 2002 Honda CRF450R have?
It has 12.0 in of front travel and 12.4 in of rear travel.
How much fuel does the 2002 Honda CRF450R hold?
Its fuel capacity is 2 gal.
How many gears does the 2002 Honda CRF450R have?
It has a 5-speed transmission.
What was the MSRP of the 2002 Honda CRF450R?
Its US MSRP was $6,299.
What size tires does the 2002 Honda CRF450R use?
80/100-21 front and 110/90-19 rear.
What chain and sprockets does the 2002 Honda CRF450R use?
A 520 chain on a 13-tooth front and 50-tooth rear sprocket.

Other Honda CRF450R model years

Specs from Honda's website. Updated Nov 1, 2026.